Prevalence and relationships among physical activity policy, environment, and practices in licensed childcare centers from a manager and staff perspective

- McConnell-Nzunga, Jennifer; Mâsse, Louise C.; Buckler, E. Jean; Carson, Valerie; Faulkner, Guy E.; Lau, Erica Y.; McKay, Heather A.; Temple, Viviene A.; Wolfenden, Luke; Naylor, Patti-Jean